Hydrogen atoms present in an acid that can be replaced by a _________ or a group of elements are called replaceable hydrogen.
(A) Metals
(B)Non-metals
(C) Both (a) and (b)
(D)None of the above

Dear student,

The hydrogen atoms present in an acid that can be replaced by a metal or a group of elements are called replaceable hydrogen or acidic hydrogen.

Hydrogens are replaced by metals.

Hence, the correct option is (A).

Regards